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natvis (works with VisualStudio 2022) #135

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eb62d0d
natvis (works with VisualStudio 2022)
viable-alternative Mar 31, 2025
a829914
Merge branch 'main' into pub2
martinus Oct 6, 2025
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94 changes: 94 additions & 0 deletions debugger/visualizers/unordered_dense.natvis
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<?xml version="1.0" encoding="utf-8"?>
<AutoVisualizer xmlns="http://schemas.microsoft.com/vstudio/debugger/natvis/2010">

<!--unordered_dense::set-->
<Type Name="ankerl::unordered_dense::v4_5_0::detail::table&lt;*, void, *,*,*,*,*,0&gt;">
<DisplayString>{{ size={m_values.size()} }}</DisplayString>
<Expand>
<CustomListItems Optional="true">
<Variable Name="idx" InitialValue="0" />
<Loop>
<Break Condition="idx == m_values.size()"/>
<Item>m_values[idx]</Item>
<Exec>++idx</Exec>
</Loop>
</CustomListItems>
</Expand>
</Type>

<!--unordered_dense::segmented_set-->
<Type Name="ankerl::unordered_dense::v4_5_0::detail::table&lt;*, void, *,*,*,*,*,1&gt;">
<DisplayString>{{ size={m_values.m_size}, blocks={m_values.m_blocks.size()}}}</DisplayString>
<Expand>
<CustomListItems Optional="true">
<Variable Name="idx1" InitialValue="0" />
<Variable Name="idx2" InitialValue="0" />
<Variable Name="num_vals" InitialValue="0" />
<Variable Name="alt_bound" InitialValue="0" />
<Loop>
<Break Condition="idx1 == m_values.m_blocks.size()"/>
<Exec>alt_bound = m_values.m_size - idx1*m_values.num_elements_in_block</Exec>
<Exec>num_vals = m_values.num_elements_in_block &gt; alt_bound ? alt_bound : m_values.num_elements_in_block</Exec>

<Loop Condition="idx2 &lt; num_vals">
<Item Name="[{idx1*m_values.num_elements_in_block + idx2}] ({idx1}x{idx2})">m_values.m_blocks[0][idx2]</Item>
<Exec>++idx2</Exec>
</Loop>
<Exec>++idx1</Exec>
<Exec>idx2=0</Exec>
</Loop>
</CustomListItems>
</Expand>
</Type>


<!--unordered_dense::map-->
<Type Name="ankerl::unordered_dense::v4_5_0::detail::table&lt;*,*,*,*,*,*,*,0&gt;">
<DisplayString>{{ size={m_values.size()} }}</DisplayString>
<Expand>
<CustomListItems Optional="true">
<Variable Name="idx" InitialValue="0" />
<Loop>
<Break Condition="idx == m_values.size()"/>
<Item Name="[{idx}] {m_values[idx].first}">m_values[idx].second</Item>
<Exec>++idx</Exec>
</Loop>
</CustomListItems>
</Expand>
</Type>

<!--unordered_dense::segmented_map-->
<Type Name="ankerl::unordered_dense::v4_5_0::detail::table&lt;*,*,*,*,*,*,*,1&gt;">
<DisplayString>{{ size={m_values.m_size}, blocks={m_values.m_blocks.size()}}}</DisplayString>
<Expand>
<CustomListItems Optional="true">
<Variable Name="idx1" InitialValue="0" />
<Variable Name="idx2" InitialValue="0" />
<Variable Name="num_vals" InitialValue="0" />
<Variable Name="alt_bound" InitialValue="0" />
<Loop>
<Break Condition="idx1 == m_values.m_blocks.size()"/>
<Exec>alt_bound = m_values.m_size - idx1*m_values.num_elements_in_block</Exec>
<Exec>num_vals = m_values.num_elements_in_block &gt; alt_bound ? alt_bound : m_values.num_elements_in_block</Exec>

<Loop Condition="idx2 &lt; num_vals">
<Item Name="[{idx1*m_values.num_elements_in_block + idx2}] ({idx1}x{idx2}) {m_values.m_blocks[idx1][idx2].first}">m_values.m_blocks[0][idx2].second</Item>
<Exec>++idx2</Exec>
</Loop>
<Exec>++idx1</Exec>
<Exec>idx2=0</Exec>
</Loop>
</CustomListItems>
</Expand>
</Type>

<Type Name="ankerl::unordered_dense::v4_5_0::segmented_vector&lt;*&gt;">
<DisplayString>{{ size={m_size} }}</DisplayString>
<Expand>
<Item Name="m_blocks">m_blocks</Item>
<!--Item Name="num_bits">num_bits</Item-->
<Item Name="num_elements_in_block">num_elements_in_block</Item>
</Expand>
</Type>

</AutoVisualizer>
55 changes: 55 additions & 0 deletions test/natvis/main.cpp
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// natvis_test.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
#include <unordered_map>
#include <unordered_set>
#include <string>

import ankerl.unordered_dense;

auto& map_1() {
const static std::unordered_map<std::string, double> m{
{"Hello,", 1.23},
{"world!", 4.56},
};
return m;
}

auto pattern_map(int num_elem) {
std::unordered_map<std::string, double> m{};
for (int i = 1; i <= num_elem; ++i) {
const auto key = std::string("key_") + std::to_string(i);
double value = i * 1.23;
m.emplace(key, value);
}
return m;
}

int main()
{
std::unordered_map<std::string, double> map_classic = pattern_map(130);
ankerl::unordered_dense::map<decltype(map_classic)::key_type, decltype(map_classic)::mapped_type> map_dense{};
ankerl::unordered_dense::segmented_map<decltype(map_classic)::key_type, decltype(map_classic)::mapped_type> map_sgm{};

std::unordered_set<decltype(map_classic)::key_type> set_classic{};
ankerl::unordered_dense::set<decltype(map_classic)::key_type> set_dense{};
ankerl::unordered_dense::segmented_set<decltype(map_classic)::key_type> set_sgm{};


for (const auto [key, value] : map_classic) {
set_classic.insert(key);

map_dense[key] = value;
map_sgm[key] = value;

set_dense.insert(key);
set_sgm.insert(key);
}

// Put a breakpoint here to see debug info.
for (auto const& [key, val] : map_classic) {
std::cout << key << " => " << val << std::endl;
}
}

31 changes: 31 additions & 0 deletions test/natvis/natvis_demo.sln
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
{0FC2E957-E173-46A4-BF05-C0F3A03EA1BD}.Debug|x64.ActiveCfg = Debug|x64
{0FC2E957-E173-46A4-BF05-C0F3A03EA1BD}.Debug|x64.Build.0 = Debug|x64
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{0FC2E957-E173-46A4-BF05-C0F3A03EA1BD}.Release|x64.ActiveCfg = Release|x64
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EndGlobalSection
EndGlobal
150 changes: 150 additions & 0 deletions test/natvis/natvis_demo.vcxproj
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33 changes: 33 additions & 0 deletions test/natvis/natvis_demo.vcxproj.filters
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